"Welcome. Today we’re resetting the Samsung SCX 3201 toner chip. First, remove the cartridge. Locate the gold chip. Take your CH341A programmer, attach the SOP8 clip. Connect to PC. Open NeoProgrammer. Detect chip – 24C02 found. Click Read. Now open the dump file 'SCX3201_FULL.bin'. Click Write. Verification passed. Reinstall cartridge. Printer now shows 100% toner. That’s it."
to directly connect to the chip on the printer's main board to downgrade the firmware before applying a fix. ⚠️ Warning: samsung scx 3201 toner chip reset software